- In the foreground: standard crenel GFM (model A) of the flame
thrower
- In the second plan: tanks and mechanism of propulsion of the
flammable liquid

Mobile flame thrower especially studied to equip bells GFM. Its
development late (November 1938 for its homologation with being tested
in the works), and/or the over-equipment of bells GFM made that it
never armed the works with the Maginot Line.